Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đáp án (Đề 10)

The assumption that smoking has bad effects on our health have been proved.

46/105

Part 3: Questions from 46 to 50. (1 point - 0.2/ each)

Each of the following sentences has an error. Find the errors and correct them.

The assumption that smoking has bad effects on our health have been proved.

0/3000 ký tự
Giải thích

. The assumption that smoking has bad effects on our health have been proved. has